Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Retirement Redefined Around the country, attitudes about retirement are shifting. Dreaming Up an Active Retirement When you retire, how will you treat your next chapter? Is Your Financial House Haunted? There is nothing to fear but fear itself, especially when it comes to personal finances.